Useful Machines

Our life today is unimaginable without the vast number of various machines and mechanisms that have become indispensable assistants to humans in virtually all areas of their activities. They are capable of performing their tasks almost anywhere: at unimaginable heights and in inaccessible depths, in eternal frost and in raging flames, on mountain slopes and in deep quarries, and even in the airless expanse of space. What kind of technology is this and how is it structured?

You will find answers to all your questions in this unusual encyclopedia, entirely dedicated to machines that have served humanity from ancient times to the present, constantly changing and improving.